The World Flora Online

Herbs, perennial, from slender and elongated rhizomes. Stems erect, 10-50 cm tall, 4-angled, glabrous and smooth except hispidulous at nodes. Leaves in whorls of 6-10, sessile or petiole to 1 mm; blade drying papery, oblanceolate, oblong-lanceolate, or narrowly elliptic, (6-)15-50(-65) × (3-)4.5-15(-17) mm, length/breadth index ca. 4, glabrous except antrorsely aculeolate on margins and with antrorse microhairs on upper side and sometimes on abaxial midrib, base acute to cuneate, margins flat, apex acute or usually obtuse then abruptly mucronate; vein 1. Inflorescences terminal, with several- to many-flowered cymes; axes glabrous, smooth; bracts none or leaflike, 1-3 mm; pedicels 1-4 mm. Ovary ellipsoid to obovoid, ca. 0.8 mm, densely hispidulous. Corolla white or bluish white, ± broadly funnelform, 4.5-6.5 × 3-7 mm, glabrous, lobed for ca. 1/2; lobes 4, triangular-spatulate, acute. Mericarps subglobose, 2-2.5 mm, with dense uncinate trichomes 1-1.2 mm. Fl. and fr. Jun-Sep.

Source: [
• 1
]. 

Perennial; stems ± erect, 1.5–5 dm, retrorsely hispid at the nodes, otherwise glabrous or nearly so; lvs vanilla-scented, mostly in whorls of (6)8(10), oblanceolate or narrowly elliptic, cuspidate, 1.5–5 cm × 4–12 mm, antrorsely scabro-ciliate on the margins and sometimes on the midrib beneath, otherwise glabrous or nearly so; infl terminal, branched, nearly naked; cor white, funnelform, 3–5 mm long and 4–7 mm wide, the lobes somewhat longer than the tube; fr 3 mm, covered with hooked bristles; 2n=22. Woods, native of Europe, sparingly intr. in our range. May, June. (Asperula o.)

Source: [
• 3
]. 

10–30 cm hoch, unverzweigt, an den Knoten behaart, sonst kahl, duftend. Blätter zu 6–8(–10) im Quirl, lanzettlich, 2–4 cm lang, stachelspitzig, am Rand und auf dem Mittelnerv rau. Blütenstand locker doldenrispig, mit wenigblütigen Tei

Source: [
• 2
]. 

4–6. Wälder, besonders Buchenhaine, kollin-montan(-subalpin). CH (fehlt im Engadin).

Source: [
• 2
].